using System;
public class Demo {
public static void Main() {
int a = 0 , myWord = 1;
string str = Hello World!;
while (a <= str.Length - 1) {
if(str[a]==' ' || str[a]=='\n' || str[a]=='\t') {
myWord++;
}
a++;
}
Console.Write(Number of words in the string = {0}\n, myWord);
}
}